A selector device includes: a first electrode; a second electrode; a selector layer that is disposed between the first electrode and the second electrode; and a stacked film that is disposed in at least one of a portion between the first electrode and the selector layer and a portion between the second electrode and the selector layer, and includes a first layer including at least one first element selected from the group consisting of carbon and metal and not including nitrogen and a second layer including nitride of the first element. The first layer is in contact with the selector layer.